Schematic Diagrams - ViewSonic VG712s Service Manual

10. Schematic Diagrams

+12V
CIRDIN_4-R JP1
1 2
C1 C2
C141
3 4
0.1uF
120uF/16V 0.1uF
+12V +12V
JP2
1
2 C179
R100 0 0.1uF
R101 0 BNC-2
R102 0/NC
R116 0
+12V
C172 C171
0.1uF 0.1uF
+12V
U4
L5 22uH
1
+VIN
C20 C21
120uF/16V 0.1uF
LESR
C30
0
+3.3VD +5V +12V
L7 NC
L9 22uH
L11 NC
C146 C145 C144 C32
0.1uF 0.1uF 0.1uF
+3.3VD 100uF/16V
14
1 2
3 PNL_EN
7 U6A
74LVC14
+3.3VD
C39
R112
0.1uF 10K /NC
ViewSonic Corporation
+12VIN
L1 22uH
C140 C3 C4 C5
0.1uF 0.1uF 120uF/16V 1000uF/16V
3 BRIGHT
+12V C178
NC/100pF
C180 C181 C182 C183 C184
0.1uF 0.1uF 0.1uF 0.1uF 0.1uF
JP15
1
2
3
4
4 HEADER
+5VIN
AP1501 L4 150uH
L6
2
VOUT
4
VOS
C26 C27
5V_MAIN=2.5A
D1
0.1uF 1000uF/10V
IN5822
+12V
Q1
R9 SI2302DS
100K Power MOSN
NMos
U5
1 8
NC D
2 7
S D
3 6
S D
4 5
G D
C33 C31 IRF7204
NC/0.1uF
0.1uF R11
R10
100K 750R
C36
NC/0.1uF
3
C37
1
0.1uF
2
R12 Q2
10K C38 2N3904
NC/0.1uF
Confidential - Do Not Copy
66
R1 R2 C7 C8 BRI
10K 10K 0.1uF 0.1uF
ON
R5 1K
C17
C13 C14
NC/0.1uF
NC/0.1uF 100uF/16V
R6 0
3 BLON
C177 C17
NC/100pF NC/0.1uF
+5V
22uH
C29
C28
0.1uF 100uF/16V
VPL
+5V
R132
C34 C35 C147 100K
Volume- R131 1k
1
0.1uF 0.1uF
1000uF/10V Q6
2N3904
VG712s/b
+5VIN
+5V
JP3
C9
1
2
100uF/16V
3
4
5
6
7
8
9
10
11
12
13
14
R114
NC HEADER 10-2.0
+5V
R113
C15
100uF/16V
NC
+5V
C22
100uF/16V
+5V
+12V
Q5
R133 SI2302DS
5V
100K
JP13
1
Power MOSN
NMos
3
2
C205 C204
2 2 HEADER
0.1uF
100uF/10V
Title
Size
Date:
U1 +2.5VD
AIC1084
3 1
VIN VOUT
R3
C10 C11 C12
330/1%
100uF/16V
0.1uF 0.1uF
R4
330/1%
+3.3VA
U2
XC6201
3 1
VI VO
C16 C18 C19
0.1u
0.1u
100uF/16V
L3
NC
+3.3VD
U3
AIC1084
3 1
VIN VOUT
R7
200/1%
C23 C24 C25
0.1uF 0.1uF 100uF/16V
3.3V_MAIN MAX 5A
R8
330/1%
3.3V_DVDD
+3.3VD
L8 BEAD 0805
(GM5120)
C148
C149
0.1uF 0.1uF
3.3V_AVDD
+3.3VA
L10 BEAD /0805
(GM5120)
C150
C151
0.1uF 0.1uF
2.5V_VDD
L12 BEAD /1206
+2.5VD
C153 C152
(GM5120)
0.1uF 0.1uF
2.5V_AVDD
L14 BEAD /0805
C155 C154
0.1uF 0.1uF
POWER
Document Number Rev
E
GM5120
1
Sheet of 6
Thursday, July 10, 2003